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Best E-Signature Software Apps

0+ iOS apps curated and reviewed

3.4 avg rating
13 free apps
Updated June 2026

With an average user rating of 3.4★, the e-signature software category is one of the App Store's strongest. Browse all 0+ apps we track, sorted so the most loved ones surface first.

Compare top E-Signature Software Apps (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Acrobat Reader: PDF EditorAcrobat Reader: PDF EditorFree4.7★ (632K)YesYesJul 2026
2iWatermark Lite Watermark PicsiWatermark Lite Watermark PicsFree2.0★ (12)NoNoMay 2026
3Kunlun E-SignatureKunlun E-SignatureFree—NoNoJul 2026
4Foxit eSignFoxit eSignFree3.3★ (14)NoNoMay 2026
5DottedSign - eSign & Fill DocsDottedSign - eSign & Fill DocsFree4.3★ (21)NoYesMay 2026
6CommonOffice HR Software V6CommonOffice HR Software V6Free—NoNoMay 2026
7GoPhore Auto Carrier SoftwareGoPhore Auto Carrier SoftwareFree4.3★ (10)NoNoJun 2026
8JumpTrackJumpTrackFree3.7★ (3)NoNoJun 2026

Top Picks for E-Signature Software

Acrobat Reader: PDF Editor#1

Acrobat Reader: PDF Editor by Adobe Inc.

Documents Editor & Converter
Editor's Choice
💼 Business
4.7😞(632K ratings)
FreeAdsIn-App Purchases
#2in Business
Acrobat Reader: PDF Editor screenshot 1
Acrobat Reader: PDF Editor screenshot 2
Acrobat Reader: PDF Editor screenshot 3
Acrobat Reader: PDF Editor screenshot 4
Acrobat Reader: PDF Editor screenshot 5
Acrobat Reader: PDF Editor screenshot 6

This app is a powerful PDF tool for viewing, editing, annotating, and signing documents. It offers AI-powered features for summarizing and interacting with PDFs, along with robust conversion and security options. Collaborate on files and access your documents from anywhere.

What We Love

  • 🚀 Fast and efficient
  • 🔒 Secure document storage
  • 👍 Convenient for reading and annotating PDFs
  • 👍 Useful for students and professionals

Room to Improve

  • 🐛 Buggy and unreliable
  • 🔒 Overly intrusive login requirements
  • 💰 Expensive subscription model
iWatermark Lite Watermark Pics#2

iWatermark Lite Watermark Pics by Plum Amazing Software LLC

Watermark Logo, Signature, Pic
Strong Contender
📷 Photo & Video
2.0😞(12 ratings)
Free
iWatermark Lite Watermark Pics screenshot 1
iWatermark Lite Watermark Pics screenshot 2
iWatermark Lite Watermark Pics screenshot 3

Protect your photos with custom watermarks. Add text, logos, signatures, or QR codes to secure your images and maintain ownership. Ideal for professionals and personal use, this app offers easy control over watermark placement, size, and appearance.

What We Love

  • 👍 Simple and easy to use interface
  • 🎨 Extensive font and customization options
  • ⚡ Quick watermarking process
  • 🖼️ Ability to create custom text and graphic watermarks

Room to Improve

  • 💰 Free version adds intrusive app watermark overlay
  • 😤 Aggressive monetization strategy with forced upgrade prompts
  • 🐛 Frequent crashes and stability issues

More E-Signature Software apps to explore

4
Foxit eSign
Foxit eSign
Foxit eSign
by FOXIT SOFTWARE INCORPORATED
Free

Streamline document signing on the go with this app. Upload various file types, create templates, and assign recipients for legally binding electronic signatures. Features offline mode, integrations, and robust security for compliant document management.

Upload PDF and other document formatsDrag and drop document preparationOffline mode for preparing and signing
📊 Productivity
(14)
free
5
DottedSign - eSign & Fill Docs
DottedSign - eSign & Fill Docs
DottedSign - eSign & Fill Docs
Docs Signed with Ease
Free

Streamline your document signing process with this app. Easily sign documents yourself or request legally binding signatures from others. Manage tasks, track progress, and import/share files securely from your mobile device.

Request signatures from multiple signersSign documents yourself with freehand drawingPersonalize signatures with stamps and photos
💼 Business
(21)
free with in-app purchases
6
CommonOffice HR Software V6
CommonOffice HR Software V6
CommonOffice HR Software V6
CommonOffice
Free
💼 Business
(0)
7
GoPhore Auto Carrier Software
GoPhore Auto Carrier Software
GoPhore Auto Carrier Software
by Advancing Data Resources, Inc.
Free

Streamline vehicle transportation workflows with this app. It offers digital tools for drivers to capture damage, record details, collect eSignatures, and sync trip information with dispatch. Designed for reliability and speed, it helps drivers get paid faster and reduces manual paperwork.

Digital vehicle damage captureLoad and unload detail recordingElectronic signature collection
💼 Business
(10)
subscription
8
JumpTrack
JumpTrack
JumpTrack
by Ecommerce Industries, Inc.
Free

This app streamlines delivery operations by capturing electronic signatures, tracking driver locations via GPS, and providing proof-of-delivery for faster payments. It enhances fleet productivity and reduces customer service costs with features like barcode scanning and photo documentation.

Electronic signature captureGPS driver tracking and route mappingBarcode scanning for package reconciliation
💼 Business
(3)
free
9
eSign Pro
eSign Pro
eSign Pro
Contracts e-Signed in minutes
Free

Create and sign PDF contracts quickly and easily. Generate documents from templates or existing files, and get them signed remotely or in person using a virtual signature pad. Signed contracts can be downloaded or shared as PDFs.

Create PDF contracts from scratchUpload and sign existing PDFsRemote and on-spot e-signatures
💼 Business
(1)
free
10
Repair-CRM
Repair-CRM
Repair-CRM
Ditch the Paperwork
Free

Streamline field service operations with this app. Manage work orders, customer assets, and technician performance. Capture details like photos, parts, and signatures, then email work orders to clients for feedback and ratings.

Work order managementCustomer and asset managementTrack used parts and services
💼 Business
(1)
free
11
Twokeyok Organization
Twokeyok Organization
Twokeyok Organization
Secure Digital Signatures
Free
💼 Business
(0)
12
Sunny16 exposure calculator
Sunny16 exposure calculator
Sunny16 exposure calculator
Light. Right!
$0.99

This app simplifies camera exposure settings using the Sunny 16 rule and beyond. It helps photographers quickly determine aperture and shutter speed for various lighting conditions and equipment, offering precise control over exposure compensation and stop increments.

Sunny 16 rule implementationEquivalent exposure calculationExposure compensation up to 5 stops
📷 Photo & Video
(4)
paid
13
SignSimpli
SignSimpli
SignSimpli
Simply Sign Everything
Free

Effortlessly sign documents like contracts and forms with an intuitive eSignature tool. Import files, create custom signatures by drawing or typing, and share signed documents instantly. Securely store your signed paperwork locally.

Import documents from device, camera, or cloudCreate signatures by typing or drawingApply and resize signatures on documents
💼 Business
(6)
free
14
Ascertia: Community
Ascertia: Community
Ascertia: Community
A collaborative community
Free
💼 Business
(0)

FAQ about E-Signature Software

What are the best e-signature software apps for iPhone?
Acrobat Reader: PDF Editor tops our e-signature software apps ranking as of June 2026, with a 4.7-star average from 632K App Store ratings, and it's free to download.
Yes — 13 of the top e-signature software apps we rank are free to download, including Acrobat Reader: PDF Editor and iWatermark Lite Watermark Pics.
Acrobat Reader: PDF Editor shows ads and offers in-app purchases, according to its App Store listing as of June 2026.
You can view, edit, annotate, and sign PDF documents. The app also allows you to convert files to and from PDF, compress PDFs, and use AI features for summarization and document interaction. You can also collaborate on files and store them online.
Paid features include the Adobe Acrobat AI Assistant for summarizing and querying documents, advanced PDF editing for text and images, merging and organizing PDFs, and higher-quality voice options for reading PDFs aloud. These features are accessible through a subscription.